public Object visit(ConnectionEndEvent event) {
final MutableConnectionInfo conn = connectionMap.remove(event.connectionId);
if (conn == null) {
return missing(event);
}
foo(conn, event);
foo(server.aggConn, event);
// Since the connection info will no longer be in the table,
// broadcast the final info to anyone who is interested.
RolapUtil.MONITOR_LOGGER.debug(conn.fix());
return null;
}
public Object visit(SqlStatementEndEvent event) {
final MutableSqlStatementInfo sql = sqlStatementMap.remove(event.sqlStatementId);
if (sql == null) {
return missing(event);
}
foo(sql, event);
foo(sql.stmt.aggSql, event);
foo(server.aggSql, event);
// Since the SQL statement info will no longer be in the table,
// broadcast the final info to anyone who is interested.
RolapUtil.MONITOR_LOGGER.debug(sql.fix());
return null;
}
public Object visit(ExecutionEndEvent event) {
final MutableExecutionInfo exec = executionMap.remove(event.executionId);
if (exec == null) {
return missing(event);
}
retiredExecutionMap.put(exec.executionId, exec);
foo(exec, event);
foo(exec.stmt.aggExec, event);
foo(exec.stmt.conn.aggExec, event);
foo(server.aggExec, event);
// Since the execution info will no longer be in the table,
// broadcast the final info to anyone who is interested.
RolapUtil.MONITOR_LOGGER.debug(exec.fix());
return null;
}
/**
* Retrieves the response from the queue matching the given key, blocking until it is received.
*
* @param k Response
* @return Response
* @throws InterruptedException if interrupted while waiting
*/
public synchronized V take(K k) throws InterruptedException {
final V v = taken.remove(k);
if (v != null) {
return v;
}
// Take the laundry out of the machine. If it's ours, leave with it.
// If it's someone else's, fold it neatly and put it on the pile.
for (; ; ) {
final Pair<K, V> pair = queue.take();
if (pair.left.equals(k)) {
return pair.right;
} else {
taken.put(pair.left, pair.right);
}
}
}
